Reactor Physics Quarterly Report (January, February, March 1969)

Technical Report · Thu May 01 04:00:00 EDT 1969

DOI:https://doi.org/10.2172/4776743· OSTI ID:4776743

Schmid, L. C. ^[1]; Clayton, E. D. ^[1]; Heineman, R. E. ^[1]

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1. Battelle Pacific Northwest Labs., Richland, WA (United States)

Updates are provided for the following topics: (1) Reactor Theory and Code Development, including the Battelle Monte Carlo Code, KINPAR, the Allocation of Resonance Contributions to Fine Groups in HRG, Analysis of Gamma-Ray Spectra by Digital Computer Technique, Ideal Gas Flow with Mass, Momentum, Energy, and Entropy Transfer, and On the Theory of PCTR Experiments; (2) Reactor Physics, including Theoretical Correlation of the PRTR Batch Core Experiment, Comparative Exponential Measurements Using BF₃ and Indium Detector, Reactor Noise Experiments in the PRCF with UO₂-2 wt% PuO₂ Fuel in D₂O, A Three Dimensional Diffusion Theory Model of the Materials Testing Reactor, Variation of k_eff Due to Composition Uncertainties in Critical Assemblies, Sensitivity of A1=Pu Systems to Recent Changes in HRG; (3) Fast Reactors, including Comparison of MELT-II with FORE II and NUTIGER, Critical Parameters for PuO₂-UO₂ Systems, Highlights of an NPTF Vertical Core Concept, Radiation Damage Fluxes at the Vessel, Tubesheet, Flow Meter, and Thermocouple Locations, Estimated Uncertainty Associated with Decay Heat Calculations, Gamma Intensity Near Closed Loop Pipes, Gamma Intensity Near FTR; (4) Critical Mass Physics, including Criticality of Heterogenous Plutonium-Uranium Mixtures, Pulsed Neutron Measurements on Assemblies of Uranyl Nitrate, and Criticality of Pu(NO₃)₄ Solutions in Slab Geometry.

• Research Organization: Battelle Pacific Northwest Labs., Richland, WA (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP); US Atomic Energy Commission (AEC)
• DOE Contract Number: AT(45-1)-1830
• NSA Number: NSA-23-033080
• OSTI ID: 4776743
• Report Number(s): BNWL-1053
• Country of Publication: United States
• Language: English

Related Subjects

11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Analysis
BORON FLUORIDES-- ERRORS-- FISSION-- FOILS-- INDIUM-- NEUTRON FLUX-- PROPORTIONAL COUNTERS-- RADIATION DETECTORS
BURNUP-- CONFIGURATION-- CRITICALITY- - FUELS-- HEAVY WATER MODERATOR-- PRTR-- REACTOR CORE-- RESEARCH REACTORS
CONFIGURATION-- CRITICAL ASSEMBLIES-- CRITICALITY-- NPTF-- REACTOR CORE
CONFIGURATION-- CRITICALITY-- PLUTONIUM NITRATES
CONFIGURATION-- ERRORS-- FISSION-- FOILS-- GOLD-- NEUTRON FLUX-- PRCF-- RADIATION DETECTORS-- REACTOR CORE-- VARIATIONS
Critical Mass Physics
Criticality
FAST NEUTRONS
FAST REACTORS
Gamma ray Spectra
Monte Carlo Code
N38510* --Research & Test Reactors & Critical Assemblies-- Kinetics & Dynamics
Nuclear Criticality Safety Program (NCSP)
Physics
Quarterly Report
REACTIVITY
REACTORS
Safety
THERMAL NEUTRONS CONFIGURATION-- CRITICALITY-- PLUTONIUM OXIDES-- URANIUM DIOXIDE-- WATER MODERATOR
Technical Discussions
Update